本公司提供抗原備制：進(jìn)入機(jī)體內(nèi)對(duì)機(jī)體的免疫系統(tǒng)產(chǎn)生刺激作用的外源物質(zhì)。包括：蛋白質(zhì)、多糖、核酸、病毒、細(xì)菌、各種細(xì)胞等。特點(diǎn)：外源性、結(jié)構(gòu)性（分子表面具有穩(wěn)定的環(huán)狀結(jié)構(gòu)基團(tuán)作為識(shí)別位點(diǎn)）、特異性（抗原與抗體的反應(yīng)）。 Antigens are molecules that react with antibodies, whereas immunogens are molecules that induce an immune responses. Substances foreign to the body, such as disease-causing bacteria and viruses and other infectious agents, known as antigens, are recognized by the body's immune system as invaders.

                                                                                                      -------上海研生生物技術(shù)